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Juhana Jauhiainen

A full stack developer experienced with React, Node.js, Django and PostgreSQL

How to search files from Azure Blob Storage using Python

How to search files from Azure Blob Storage using Python

4
Comments
2 min read

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What are template literal types in TypeScript?

What are template literal types in TypeScript?

7
Comments
5 min read
How to implement useMediaQuery hook in React

How to implement useMediaQuery hook in React

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3 min read
Basics of React server-side rendering with Express.js

Basics of React server-side rendering with Express.js

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Comments 6
5 min read
Use a Model Manager to filter queryset by default in Django

Use a Model Manager to filter queryset by default in Django

5
Comments
1 min read
Should you use React.FC to type your components?

Should you use React.FC to type your components?

9
Comments 1
3 min read
Why you should use the URL to store state in your application

Why you should use the URL to store state in your application

78
Comments 3
4 min read
What are HTTP cookies

What are HTTP cookies

6
Comments 1
4 min read
How to make TypeScript understand Array.filter

How to make TypeScript understand Array.filter

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2 min read
Why Docker is eating your disk space

Why Docker is eating your disk space

67
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3 min read
How to type an object with exclusive-or properties in TypeScript

How to type an object with exclusive-or properties in TypeScript

10
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6 min read
Advanced Django queries

Advanced Django queries

22
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6 min read
Convert an array to a map in JavaScript

Convert an array to a map in JavaScript

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Comments 1
4 min read
Hidden gems of the Chrome DevTools, Part 2: CSS tools

Hidden gems of the Chrome DevTools, Part 2: CSS tools

6
Comments
2 min read
Creating layouts with CSS grids

Creating layouts with CSS grids

6
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6 min read
Create a retro text effect with CSS

Create a retro text effect with CSS

6
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4 min read
Hidden gems of the Chrome DevTools, Part 1: The Console API

Hidden gems of the Chrome DevTools, Part 1: The Console API

41
Comments
5 min read
Setup Spectron and Testing Library to effectively test your Electron.js application

Setup Spectron and Testing Library to effectively test your Electron.js application

12
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6 min read
How using Testing Library will help you improve the accessibility of your application

How using Testing Library will help you improve the accessibility of your application

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3 min read
Mocking GraphQL APIs with Mock Service Worker

Mocking GraphQL APIs with Mock Service Worker

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Comments 1
4 min read
Creating a VS Code theme

Creating a VS Code theme

11
Comments 1
5 min read
A Tailwind CSS plugin for adding gradient masks

A Tailwind CSS plugin for adding gradient masks

11
Comments 1
3 min read
Use useReducer to manage complex state

Use useReducer to manage complex state

18
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3 min read
Manage React state with the useContext hook

Manage React state with the useContext hook

6
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3 min read
Make custom marker displaying users location and direction with react-native-maps on iOS

Make custom marker displaying users location and direction with react-native-maps on iOS

6
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3 min read
What is React Strict Mode?

What is React Strict Mode?

19
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1 min read
Access DOM element in a child component in React

Access DOM element in a child component in React

7
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1 min read
Customize Django admin with list_display property

Customize Django admin with list_display property

6
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3 min read
Using namedtuple to create simple data objects in Python

Using namedtuple to create simple data objects in Python

6
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3 min read
Introduction to relative CSS units

Introduction to relative CSS units

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3 min read
Create a React Hook to show the browsers online status

Create a React Hook to show the browsers online status

9
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2 min read
Making API calls in React useEffect

Making API calls in React useEffect

6
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3 min read
Dark mode using prefers-color-scheme rule and CSS variables

Dark mode using prefers-color-scheme rule and CSS variables

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Comments 1
2 min read
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